package com.syy.framework.config;

import com.syy.common.filter.RepeatableFilter;
import com.syy.common.filter.XssFilter;
import com.syy.common.utils.StringUtils;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import javax.servlet.DispatcherType;
import java.util.HashMap;
import java.util.Map;

/**
 * Filter配置
 *
 * @author ruoyi
 */
@Configuration
public class FilterConfig
    {
        @Value("${xss.excludes}")
        private String excludes;

        @Value("${xss.urlPatterns}")
        private String urlPatterns;

        @SuppressWarnings({ "rawtypes", "unchecked" })
        @Bean
        @ConditionalOnProperty(value = "xss.enabled", havingValue = "true")
        public FilterRegistrationBean xssFilterRegistration()
        {
            FilterRegistrationBean registration = new FilterRegistrationBean();
            registration.setDispatcherTypes(DispatcherType.REQUEST);
            registration.setFilter(new XssFilter());
            registration.addUrlPatterns(StringUtils.split(urlPatterns, ","));
            registration.setName("xssFilter");
            registration.setOrder(FilterRegistrationBean.HIGHEST_PRECEDENCE);
            Map<String, String> initParameters = new HashMap<String, String>();
            initParameters.put("excludes", excludes);
            registration.setInitParameters(initParameters);
            return registration;
        }

        @SuppressWarnings({ "rawtypes", "unchecked" })
        @Bean
        public FilterRegistrationBean someFilterRegistration()
        {
            FilterRegistrationBean registration = new FilterRegistrationBean();
            registration.setFilter(new RepeatableFilter());
            registration.addUrlPatterns("/*");
            registration.setName("repeatableFilter");
            registration.setOrder(FilterRegistrationBean.LOWEST_PRECEDENCE);
            return registration;
        }
}
